7545073620 has 192 divisors, whose sum is σ = 25615650816. Its totient is φ = 1619896320.

The previous prime is 7545073553. The next prime is 7545073639. The reversal of 7545073620 is 263705457.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5789889 + ... + 5791191.

It is an arithmetic number, because the mean of its divisors is an integer number (133414848).

Almost surely, 2^7545073620 is an apocalyptic number.

7545073620 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7545073620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12807825408).

7545073620 is an abundant number, since it is smaller than the sum of its proper divisors (18070577196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7545073620 is a wasteful number, since it uses less digits than its factorization.

7545073620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150 (or 2148 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 39.

The square root of 7545073620 is about 86862.3832277241. The cubic root of 7545073620 is about 1961.3472636967.

The spelling of 7545073620 in words is "seven billion, five hundred forty-five million, seventy-three thousand, six hundred twenty".